Valve Driving: *Control 8x 12V DC solenoid pinch valves system includes four valves - expandable to eight *Up to 12 Watts (1 Amp) per valve or 24 Watts (2A) total *Valves are opened or closed rapidly using full power, then held-in at 1/2 power to prevent thermal transfer to your solutions *Low noise circuitry for electrophysiology